What creates an electric field?

What does an electric field exert force on?

Electric field lines point in which direction?

Where is the electric field strongest around a charged object?

What unit is used to measure electric field strength?

If you double the charge creating an electric field, what happens to the field strength?

What is a region where electric fields cancel out?

If you increase the distance from a charge, what generally happens to the electric field strength?

Which of these materials is most likely to be affected by an electric field?

In the context of electromagnetism, what describes the electric field force per unit charge?